Package edu.tufts.hrilab.action.operators

Class StandardJavaMethods

java.lang.Object

edu.tufts.hrilab.action.operators.StandardJavaMethods

public class StandardJavaMethods
extends Object

Constructor Summary

Constructors

Constructor	Description
StandardJavaMethods()

Method Summary

Modifier and Type	Method	Description
static Object	invokeMethod(Object o, String name, Object... args)	Operator to invoke a method on an instantiated Java object with specified arguments.
static Object	invokeStaticMethod(Class<?> clazz, String name, Object... args)	Operator to invoke a static Java method with specified arguments.
static Object	newObject(Class<?> clazz, Object... args)	Operator to instantiate a new Java object of the specified class with a variable number of arguments.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

StandardJavaMethods

public StandardJavaMethods()

Method Details

newObject

public static Object newObject(Class<?> clazz,
 Object... args)
                        throws NoSuchMethodException,
InstantiationException,
IllegalAccessException,
InvocationTargetException,
Throwable

Operator to instantiate a new Java object of the specified class with a variable number of arguments.

Parameters:

clazz - class to instantiate

args - constructor arguments

Returns:

Throws:

NoSuchMethodException

InstantiationException

IllegalAccessException

InvocationTargetException

Throwable

invokeMethod

public static Object invokeMethod(Object o,
 String name,
 Object... args)
                           throws NoSuchMethodException,
IllegalAccessException,
InvocationTargetException,
Throwable

Operator to invoke a method on an instantiated Java object with specified arguments. The invoked method must not be of type void.

Parameters:

o - Java object to invoke method on

name - method name

args - method arguments

Returns:

method's return value

Throws:

NoSuchMethodException

IllegalAccessException

InvocationTargetException

Throwable

invokeStaticMethod

public static Object invokeStaticMethod(Class<?> clazz,
 String name,
 Object... args)
                                 throws NoSuchMethodException,
IllegalAccessException,
InvocationTargetException,
Throwable

Operator to invoke a static Java method with specified arguments. The invoked method must not be of type void.

Parameters:

clazz - class containing target static method

name - method name

args - method arguments

Returns:

method's return value

Throws:

NoSuchMethodException

IllegalAccessException

InvocationTargetException

Throwable